List of Articles Cross-sectional Efficiency Open Access Article Abstract Page Full-Text 1 - Selection of Fuzzy Multi-Purpose Portfolios Based on the Cross-Sectional Return Model of Data Envelopment Analysis in Tehran Stock Exchange fazel mohammadi nodeh Ahmad ayoub mousaabadi masoud asadi abbas babaei Shaban Mohammadi Open Access Article Abstract Page Full-Text 2 - Ranking of decision-making units with fuzzy inputs and outputs using cross-efficiency model and fuzzy ranking function ٍEskandar Abdolahi